uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/misc/gibo/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, coreutils, findutils, git }:
+
+stdenv.mkDerivation rec {
+  pname = "gibo";
+  version = "1.0.6";
+
+  src = fetchFromGitHub {
+    owner = "simonwhitaker";
+    repo = "gibo";
+    rev = version;
+    sha256 = "07j3sv9ar9l074krajw8nfmsfmdp836irsbd053dbqk2v880gfm6";
+  };
+
+  installPhase = ''
+    mkdir -p $out/bin $out/share/bash-completion/completions
+    cp gibo $out/bin
+    cp gibo-completion.bash $out/share/bash-completion/completions
+
+    sed -e 's|\<git |${git}/bin/git |g' \
+        -e 's|\<basename |${coreutils}/bin/basename |g' \
+        -i "$out/bin/gibo"
+    sed -e 's|\<find |${findutils}/bin/find |g' \
+        -i "$out/share/bash-completion/completions/gibo-completion.bash"
+  '';
+
+  meta = {
+    homepage = "https://github.com/simonwhitaker/gibo";
+    license = lib.licenses.publicDomain;
+    description = "A shell script for easily accessing gitignore boilerplates";
+    platforms = lib.platforms.unix;
+  };
+}